/*
 * Sonatype Nexus (TM) Open Source Version
 * Copyright (c) 2008-present Sonatype, Inc.
 * All rights reserved. Includes the third-party code listed at http://links.sonatype.com/products/nexus/oss/attributions.
 *
 * This program and the accompanying materials are made available under the terms of the Eclipse Public License Version 1.0,
 * which accompanies this distribution and is available at http://www.eclipse.org/legal/epl-v10.html.
 *
 * Sonatype Nexus (TM) Professional Version is available from Sonatype, Inc. "Sonatype" and "Sonatype Nexus" are trademarks
 * of Sonatype, Inc. Apache Maven is a trademark of the Apache Software Foundation. M2eclipse is a trademark of the
 * Eclipse Foundation. All other trademarks are the property of their respective owners.
 */
package org.sonatype.nexus.orient;

import com.orientechnologies.orient.core.db.OPartitionedDatabasePool;
import com.orientechnologies.orient.core.db.document.ODatabaseDocumentTx;
import com.orientechnologies.orient.core.storage.OStorage;

import static com.google.common.base.Preconditions.checkNotNull;

/**
 * Default {@link DatabasePool} implementation.
 *
 * @since 3.0
 */
public class DatabasePoolImpl
  extends DatabasePoolSupport
{
  private final OPartitionedDatabasePool delegate;

  public DatabasePoolImpl(final OPartitionedDatabasePool delegate, final String name) {
    super(name);
    this.delegate = checkNotNull(delegate);
  }

  @Override
  protected void doStop() throws Exception {
    delegate.close();
  }

  @Override
  public ODatabaseDocumentTx acquire() {
    ensureStarted();
    return delegate.acquire();
  }

  @Override
  public int getAvailableCount() {
    return delegate.getAvailableConnections();
  }

  @Override
  public int getPoolSize() {
    return delegate.getCreatedInstances();
  }

  @Override
  public void replaceStorage(final OStorage storage) {
    replaceStorage(delegate, storage);
  }
}
